.container{
    width:1170px;
    margin: 0 auto;
    padding: 0;


}
.header{
    height: 498px;
    /* background-color: red; */
}
.nav{
    height:100px;
    /* background-color: red; */
   
    position: relative;
    vertical-align: middle;
    
    
    
}
.nav .nav-left .nav1{
    height: 54px;
    /* width:54px; */
    position: absolute;
    margin-top:23px;
    line-height: 54px;
    /* float: left; */
    display: inline-block;
    
}
.nav .nav-left .nav2{
    height: 54px;
    /* width:54px; */
    position: absolute;
    margin-top:23px;
    line-height: 54px;
    /* float: left; */
    /* display: inline-block; */
    left:70px;

}

.nav .nav-left .nav2 a{
    text-decoration: none;
    color: black;
    margin-left: 20px;
}
.nav .nav-left .nav2 .first{
   color: rgb(83, 202, 195);
}

.nav-right{
    float:right;
    height: 54px;
    line-height: 54px;
    display: inline-block;
    margin-top:23px;

}

.nav-right a{
    text-decoration: none;
    color: black;
    margin-left: 10px;
}

.nav-right span{
    margin-left:10px;
    margin-right:10px;
    color:rgb(229, 229, 229);
}
.background{
    height: 398px;
    width: auto;
    background-color: rgb(64, 72, 78);
    position: relative;
}

.background .hezuo{
    position: absolute;
    height:182px;
    width: 525px;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%);
    /* background-color: red; */
}
.background .hezuo .wenzi{
    font-size: 38px;
    color: white;
    /* line-height: 9px; */
}
.background .hezuo button{
    background-color: rgb(83, 202, 195);
    height: 44px;
    color: white;
    width:187px;
    position: absolute;
    bottom: 0px;
    left:50%;
    transform: translate(-50%);
    border-radius: 44px;
}
.main{
    background-color: rgb(243, 243, 243);
    position: relative;
    height: 1590px;
}

.main1{
    height: 466px;
    background-color: white;
    top: -68px;
    position: absolute;
   
    /* border: 1px solid #000; */


}
.main1 .box{
    height: 340px;
    width: 284px;
   
    margin-bottom: 55px;
    margin-left: 52px;
    margin-right: 52px;
    /* border: 1px solid #000; */
}



.main1>div{
    width:387px;
    height: 360px;
    display: inline-block;
   
    /* border: 1px solid #000; */
    margin-top: 43px;
}

.main1 .mark2 {
    border:1px solid rgb(237, 237, 237);
    border-bottom: transparent;
    border-top: transparent;
    
}

.main1  .up{
    margin-bottom: 45px;
}

.main1  .up span{
    border: 5px solid rgb(83, 202, 195);
    padding-left:10px;
    box-sizing: border-box;
    border-right: transparent;
    border-top: transparent;
    border-bottom: transparent;
}

.main1  .up button{
    width: 50px;
    height: 20px;
    float: right;
    background-color: transparent;
    border:1px solid rgb(243, 243, 243);
    border-radius: 20px;
}
.main1 .mark2 .up button{
    width: 50px;
    height: 20px;
    float: right;
    background-color: rgb(83, 202, 195);
    border:1px solid rgb(243, 243, 243);
    border-radius: 20px;
}
.main1 img{
    margin-bottom: 38px;
}
.main1 .down{
    font-size: 20px;
    /* height: 53px; */
    /* width: 289px; */
    line-height: 32px;
}

.main1 .foot{
    margin-top: 19px;
    font-size: 14px;
    color:rgb(160, 160, 160);
}
.main1 .mark2 .foot{
    margin-top: 19px;
    font-size: 14px;
    color:rgb(83, 202, 195);
}

.main2{
    background-color: white;
    /* position: absolute; */
    height: 726px;
    /* background-color: red; */
   position: absolute;
   margin-top: 412px;
   
    width: 1170px;
}

.main2>div{
    height: 191px;
    width: 1078px;
    margin-left: 46px;

    /* transform: translate(-50%); */
    /* border: 1px solid #000; */
}

.main2 .mark1{
    margin-top: 66px;
    border-bottom: 1px solid #666666;
}
.main2 .mark2{
    margin-top: 20px;
    border-bottom: 1px solid #666666;
}
.main2 .mark3{
    margin-top: 20px;
    /* border-bottom: 1px solid #666666; */
}

.main2 .box{
    /* display: inline-block; */
    height:156px;
   
    /* border: 1px solid #000; */
    width: 1058px;
    float:right;
    /* background-color: green; */
}


.main2 .boxa{
    /* display: inline-block; */
    float: right;
    width: 713px;
    height: 156px;
    margin-right: 20px;
    
}
.main2 .box .up{
    /* display: inline-block; */
   /* position: absolute; */
   margin-top:0px;
   font-size: 20px;
   margin-left: 0px;
}
.main2 .box .middle{
    /* display: inline-block; */
   /* position: absolute; */
  /* overflow: hidden; */
   font-size: 14px;
   /* margin-left: 0px; */
   vertical-align: middle;
   line-height: 15px;
   color:#666666;
}

.main2 .box .down{
    color: rgb(83, 202, 195);
    display: inline-block;
    vertical-align: bottom;
}
.main2 .box  span{
    color:#666666 ;
}

.main3{
    height: 433px;
    width: 1170px;
    background-color: white;
    margin-top: 1158px;
    position: absolute;
}

.main3 .header{
    border-left:5px solid rgb(83, 202, 195);
    padding-left: 10px;
    height:20px;
    width: 80px;
    margin-left: 53px;
    margin-top: 26px;
    margin-bottom: 31px;

}
.main3 .content{
    height: 316px;
    width:1076px;
    /* border: 1px solid  #000; */
    /* background-color: red; */
    margin-left: 47px;
}

.main3 .content>div{
    height: 95px;
    width: 645px;
    border-bottom: 1px solid #000;
   
}
.main3 .content .mark2{
    margin-top: 15px;
}
.main3 .content .mark3{
    margin-top: 15px;
}

.main3 .content .img{
    float: right;
    position: absolute;
    top:80px;
    right:0px;
   

    /* display: inline-block; */
   
}
.main3 .boxb{
    display: inline-block;
    float: right;
    width: 489px;
    /* border: 1px solid #000; */
    height: 84px;
}
.main3 .content .up{
    display: inline-block;
    vertical-align: top;
    margin-left: 10px;

}
.main3 .content .middle{
    display: inline-block;
    /* vertical-align: bottom; */
    line-height: 20px;
    margin-left: 10px;
    font-size: 12px;

}


.footer{
    background-color: #000;
    height: 233px;
}

.fbox1{
    color: #ffffff;
    width: 1170px;
    padding-top: 66px;
    text-align: center;
    font-size: 18px;
}

.fbox1 a{
    margin: 0 30px;
}

.fbox2{
    text-align: center;
    width: 1170px;
    color: #ffffff;
    font-size: 13px;
    line-height: 30px;
    margin-top: 40px;
}
